anonymous
  • anonymous
f(z)=(3*z+1)/(z+4*i) f(2+1)= ? Please help,I am founding fault result.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
f(3)=(3*3+1)/(3+4i)=10(3-4i)/25=6/5+4i/25
anonymous
  • anonymous
was it f(2+i) or f(2+1) = f(3)?
anonymous
  • anonymous
Sorry! it's f(2+i)!

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myininaya
  • myininaya
factorial thats scary
myininaya
  • myininaya
i know thats an exclamation mark
myininaya
  • myininaya
\[f(2+i)=\frac{3(2+i)+1}{2+i+4i}\] what exactly do you want? you seem to be in upper level class so what should i write this as or i mean what is the goal
anonymous
  • anonymous
scanning solution now, answer in sec....then breakfast >.>
myininaya
  • myininaya
im gonna have a fruit smoothie joe what state do you live in?
anonymous
  • anonymous
Texas (sadly)
myininaya
  • myininaya
i live next door
anonymous
  • anonymous
solution, might be wrong, i think its right though. hunger has adverse effects on math.
1 Attachment
myininaya
  • myininaya
so im sadder
anonymous
  • anonymous
I am founding (7+3i)/(2+5i) but the answer is 1-i.
anonymous
  • anonymous
next door? Louisiana? i think thats spelled right
myininaya
  • myininaya
no arkansas
anonymous
  • anonymous
LOL i added wrong. 14+15 is 29, not 39
myininaya
  • myininaya
see we arent all hicks
anonymous
  • anonymous
you are on the right path alexis, you just need to get the complex number out of the denominator of that fraction.
anonymous
  • anonymous
thats true, we all arent hick lolol
anonymous
  • anonymous
I was never think do mutliply with (2+5i). Thanks a lot guys! :D
myininaya
  • myininaya
\[\frac{7+3i}{2+5i}*\frac{2-5i}{2-5i}=\frac{14-35i+6i-15i^2}{4-5i^2}\]
myininaya
  • myininaya
lol
myininaya
  • myininaya
go eat your breakfast
anonymous
  • anonymous
alright.....breakfast, i'll see you guys later lol
anonymous
  • anonymous
I hope you will be here to answer and at my next questions :D lol
myininaya
  • myininaya
are you in algebra?
myininaya
  • myininaya
im confused because some of these questions seems algebra like and some look little different
anonymous
  • anonymous
Yes,Algebra. Coplex part.
myininaya
  • myininaya
complex part?
anonymous
  • anonymous
At complex chapter.
anonymous
  • anonymous
still up
myininaya
  • myininaya
yep my hours are messed up
anonymous
  • anonymous
wow you should get some sleep. not good to stare at computer all night
myininaya
  • myininaya
i watched the racoons in backyard at 5 ish
anonymous
  • anonymous
raccoons in the back yard?!
myininaya
  • myininaya
i put cat food out for the wild cats but i seen like 5 racoons gang bang it this morning
myininaya
  • myininaya
they are interesting
anonymous
  • anonymous
Answer to my new question :D
anonymous
  • anonymous
wild cats! raccoons! what in the world? any opossums?
myininaya
  • myininaya
k
anonymous
  • anonymous
i would think the cats would scare off the raccoons
myininaya
  • myininaya
yes i see opossums around here
anonymous
  • anonymous
i thought you were on the west coast. shows you what i know
anonymous
  • anonymous
you doing complex variables problems?
radar
  • radar
Alexis please review the multiplication of the denominator: (2+5i)(2-5i). It is not:\[4-5i ^{2}\]
myininaya
  • myininaya
because its 4-25i^2 lol

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